Poulan 439239, 96188000500, PR521 owner manual Changing the Engine Oil

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Changing the Engine Oil

Run the engine a few minutes before changing the oil to warm it. Warm oil flows better and carries more contaminants.

The engine oil will be hot. Avoid skin contact with the used engine oil.

1.Move snowthrower to a level surface.

2.Run snowthrower until all fuel has been depleted.

3.Remove ignition key.

7.Clean around the oil filler cap/dipstick (Figure 24).

8.Unscrew the oil fill cap/dipstick and remove it (Figure 24).

9.With the snowthrower in the operating position, care- fully pour oil into the oil fill hole until "Full" on the fill cap/dipstick line (Figure 26).

Max fill: 18 oz. (0.5 l), type: automotive detergent oil with an API service classification of SJ, SL, or higher.

Use Figure 25 below to select the best oil viscosity for the outdoor temperature range expected:

Figure 25

1

Figure 23

1.Oil drain plug

4.Place an oil drain pan under the oil drain plug, remove the oil drain plug, and tip the snowthrower backward and drain the used oil in the oil drain pan (Figure 23).

5.After draining the used oil, return the snowthrower to the operating position.

6.Install the oil drain plug and torque to 145-150 in-lbs (17 N-m).

NOTE: Dipstick location may vary depending on engine type.

1

1

Figure 24

1. Oil fill cap/dipstick

Fill if oil is below “Add” on the

GLSVWLFN

Fill if oil is below letter “L” on the

¿OOHUFDS

Figure 26

NOTE: 10W30 synthetic oil is acceptable for use in cold temperatures.

10.Screw in the oil fill cap/dipstick and hand tighten it securely.

11.Wipe up any spilled oil.

12.Dispose of the used oil properly at a local recycling center.

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Contents PR521 Safe Operation Practices for Walk-Behind Snow Throwers Come ALERT!!! Your Safety is InvolvedAPI SG-SL Shut the Engine OFFF6RTC Table of Contents Installing the Discharge Chute SetupUnfolding the Handle Product Overview Filling the Engine with OilLubrication Filling the Fuel Tank OperationChecking the Engine Oil Level Starting the Engine Disengaging the Auger Blades Engaging the Auger BladesStopping the Engine Adjusting the Discharge Chute and Chute DeflectorClearing a Clogged Discharge Chute Preventing Freeze-up after UseOperating Tips MaintenanceInspecting the Auger Blades Adjusting the Control CableChanging the Engine Oil Servicing the Spark Plug Replacing the Drive Belt Fuel System Storage Storing the SnowthrowerEngine OIL CylinderDoes not start TroubleshootingSSST-Chute asm5 KEY Part QTY Description HANDLE.PNT.UPPER.SSST BAIL.HANDLE.PAINT.MS431CONTROL.CABLE KNOB.HANDLE.BLACKQTY Description KEY Part NO. noBOLT.CARRIAGE PLATE.CENTER.BLADE 13 HEX.NUT.1/4-20 Nylon LockingSSST-Shroud asm14 COVER.NON-DRIVE.SIDE.MS428 KEY HousingCOVER.DRIVE.SIDE.MS428 TOP.COVERSSST-Frame asm3 FRAME.WELDMENT LCT.ENGINEWHEEL.7X1.5.DMD.GS.3SPK.MS428 NUT.PUSH.AXLE.0.5INKEEPER.ENGINE.BELT SPACER.ENGINE.CRANKPULLEY.ENG.TRACTION.3/4 WASHER.HARDENService Notes Repair Parts KEY Part Description Repair Parts Snow Thrower - Model Number PR521 ENGINE, LCTLimited Warranty